// update_index_data_tests.cpp

/*    Copyright 2012 10gen Inc.
 *
 *    This program is free software: you can redistribute it and/or  modify
 *    it under the terms of the GNU Affero General Public License, version 3,
 *    as published by the Free Software Foundation.
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 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU Affero General Public License for more details.
 *
 *    You should have received a copy of the GNU Affero General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *    As a special exception, the copyright holders give permission to link the
 *    code of portions of this program with the OpenSSL library under certain
 *    conditions as described in each individual source file and distribute
 *    linked combinations including the program with the OpenSSL library. You
 *    must comply with the GNU Affero General Public License in all respects
 *    for all of the code used other than as permitted herein. If you modify
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#include "mongo/unittest/unittest.h"

#include "mongo/db/update_index_data.h"

namespace mongo {

    TEST( UpdateIndexDataTest, Simple1 ) {
        UpdateIndexData a;
        a.addPath( "a.b" );
        ASSERT_TRUE( a.mightBeIndexed( "a.b" ) );
        ASSERT_TRUE( a.mightBeIndexed( "a" ) );
        ASSERT_TRUE( a.mightBeIndexed( "a.b.c" ) );
        ASSERT_TRUE( a.mightBeIndexed( "a.$.b" ) );

        ASSERT_FALSE( a.mightBeIndexed( "b" ) );
        ASSERT_FALSE( a.mightBeIndexed( "a.c" ) );

        a.clear();
        ASSERT_FALSE( a.mightBeIndexed( "a.b" ) );
    }

    TEST( UpdateIndexDataTest, Simple2 ) {
        UpdateIndexData a;
        a.addPath( "ab" );
        ASSERT_FALSE( a.mightBeIndexed( "a" ) );
        a.clear();
        ASSERT_FALSE( a.mightBeIndexed( "ab" ) );
    }

    TEST( UpdateIndexDataTest, Component1 ) {
        UpdateIndexData a;
        a.addPathComponent( "a" );
        ASSERT_FALSE( a.mightBeIndexed( "" ) );
        ASSERT_TRUE( a.mightBeIndexed( "a" ) );
        ASSERT_TRUE( a.mightBeIndexed( "b.a" ) );
        ASSERT_TRUE( a.mightBeIndexed( "a.b" ) );
        ASSERT_TRUE( a.mightBeIndexed( "b.a.c" ) );
        ASSERT_FALSE( a.mightBeIndexed( "b.c" ) );
        ASSERT_FALSE( a.mightBeIndexed( "ab" ) );
        a.clear();
        ASSERT_FALSE( a.mightBeIndexed( "a" ) );
    }

    TEST( UpdateIndexDataTest, AllPathsIndexed1 ) {
        UpdateIndexData a;
        a.allPathsIndexed();
        ASSERT_TRUE( a.mightBeIndexed( "a" ) );
        a.clear();
        ASSERT_FALSE( a.mightBeIndexed( "a" ) );
    }

    TEST( UpdateIndexDataTest, AllPathsIndexed2 ) {
        UpdateIndexData a;
        a.allPathsIndexed();
        ASSERT_TRUE( a.mightBeIndexed( "a" ) );
        ASSERT_TRUE( a.mightBeIndexed( "" ) );
        a.addPathComponent( "a" );
        ASSERT_TRUE( a.mightBeIndexed( "a" ) );
        ASSERT_TRUE( a.mightBeIndexed( "b" ) );
        a.clear();
        ASSERT_FALSE( a.mightBeIndexed( "a" ) );
    }

    TEST( UpdateIndexDataTest, getCanonicalIndexField1 ) {
        string x;

        ASSERT_FALSE( getCanonicalIndexField( "a", &x ) );
        ASSERT_FALSE( getCanonicalIndexField( "aaa", &x ) );
        ASSERT_FALSE( getCanonicalIndexField( "a.b", &x ) );

        ASSERT_TRUE( getCanonicalIndexField( "a.$", &x ) );
        ASSERT_EQUALS( x, "a" );
        ASSERT_TRUE( getCanonicalIndexField( "a.0", &x ) );
        ASSERT_EQUALS( x, "a" );
        ASSERT_TRUE( getCanonicalIndexField( "a.123", &x ) );
        ASSERT_EQUALS( x, "a" );

        ASSERT_TRUE( getCanonicalIndexField( "a.$.b", &x ) );
        ASSERT_EQUALS( x, "a.b" );
        ASSERT_TRUE( getCanonicalIndexField( "a.0.b", &x ) );
        ASSERT_EQUALS( x, "a.b" );
        ASSERT_TRUE( getCanonicalIndexField( "a.123.b", &x ) );
        ASSERT_EQUALS( x, "a.b" );

        ASSERT_FALSE( getCanonicalIndexField( "a.$ref", &x ) );
        ASSERT_FALSE( getCanonicalIndexField( "a.$ref.b", &x ) );


        ASSERT_FALSE( getCanonicalIndexField( "a.c$d.b", &x ) );

        ASSERT_FALSE( getCanonicalIndexField( "a.123a", &x ) );
        ASSERT_FALSE( getCanonicalIndexField( "a.a123", &x ) );
        ASSERT_FALSE( getCanonicalIndexField( "a.123a.b", &x ) );
        ASSERT_FALSE( getCanonicalIndexField( "a.a123.b", &x ) );

        ASSERT_FALSE( getCanonicalIndexField( "a.", &x ) );
    }

}
